The results show that the unified strength theory can deliberate many aspects of the rock strength.

研究表明,统一强度理论能较全面地反映岩石的各种强度特征.

A considerable amount of theoretical and experimental research on strength theory of materials under complex stress state was done in the 20th Century.

在20世纪，关于材料在复杂应力状态下的强度理论进行了大量的理论研究和实验研究工作。

According to the transient simulation of seepage field and non-saturated shear strength theory, the stability of Sipu landslide and the space-time evolution of the critical slip surface were analyzed.

根据模拟的瞬态渗流场与非饱抗剪强度理论，对思铺滑坡的稳定性和最危险滑动面的时空演化进行了分析。